<template>
    <div>
        <TypeNav/>
        <div class="main">
            <div class="py-container">
                <!--bread-->
                <div class="bread">
                    <ul class="fl sui-breadcrumb">
                        <li>
                            <a href="#">全部结果</a>
                        </li>
                    </ul>
                    <ul class="fl sui-tag">
                        <!-- 分类的面包屑 -->
                        <li class="with-x" v-if="searchParams.categoryName">
                            {{ searchParams.categoryName
                            }}<i @click="removeCategoryName">×</i>
                        </li>
                        <!-- 关键字的面包屑 -->
                        <li class="with-x" v-if="searchParams.keyword">
                            {{ searchParams.keyword }}<i @click="removeKeyword">×</i>
                        </li>
                        <!-- 品牌的面包屑 -->
                        <!--  split(":")[1] 切实数组，要数组第1项，ID:品牌名称 ，要品牌名称 -->
                        <li class="with-x" v-if="searchParams.trademark">
                            {{ searchParams.trademark.split(":")[1]}}<i @click="removeTradeMark">×</i>
                        </li>
                        <!--平台的售卖的属性值展示 -->
                        <li class="with-x" v-for="(attrValue, index) in searchParams.props" :key="index">
                            {{ attrValue.split(":")[1] }}<i @click="removeAttr(index)">×</i>
                        </li>
                    </ul>
                </div>

                <!-- 子组件 selector，传方法 -->
                <SearchSelector @trademarkInfo="trademarkInfo" @attrInfo="attrInfo"/>

                <!--details-->
                <div class="details clearfix">
                    <div class="sui-navbar">
                        <div class="navbar-inner filter">
                            <!-- 排序的解构 -->
                            <ul class="sui-nav">
                                <!-- changeOrder('1') 1 代表综合  -->
                                <li :class="{ active: isOne }" @click="changeOrder('1')">
                                    <a>综合<span
                                            v-show="isOne"
                                            class="iconfont"
                                            :class="{ 'icon-UP': isAsc, 'icon-DOWN': isDesc }"></span></a>
                                </li>
                                <!-- changeOrder('1') 1 代表价格  -->
                                <li :class="{ active: isTwo }" @click="changeOrder('2')">
                                    <a>价格<span
                                            v-show="isTwo"
                                            class="iconfont"
                                            :class="{ 'icon-UP': isAsc, 'icon-DOWN': isDesc }"></span></a>
                                </li>
                            </ul>
                        </div>
                    </div>
                    <!-- 销售产品列表 -->
                    <div class="goods-list">
                        <ul class="yui3-g">
                            <li class="yui3-u-1-5" v-for="(good,index) in goodsList" :key="good.id">
                                <div class="list-wrap">
                                    <div class="p-img">
                                        <!-- 在路由跳转的时候切记别忘记带id（params）参数 -->
                                        <router-link :to="`/detail/${good.id}`">
                                            <img :src="good.defaultImg" />
                                        </router-link>
                                    </div>
                                    <div class="price">
                                        <strong>
                                            <em>¥</em>
                                            <i> {{good.price}} </i>
                                        </strong>
                                    </div>
                                    <div class="attr">
                                        <a target="_blank" href="item.html"
                                           :title="good.title">{{ good.title }}</a>
                                    </div>
                                    <div class="commit">
                                        <i class="command">已有<span>2000</span>人评价</i>
                                    </div>
                                    <div class="operate">
                                        <a href="success-cart.html" target="_blank"
                                           class="sui-btn btn-bordered btn-danger">加入购物车</a>
                                        <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                                    </div>
                                </div>
                            </li>
                        </ul>
                    </div>
                    <!-- <Pagination  :pageNo="31"  :pageSize="3" :total="99" :continues="5" @getPageNo="getPageNo"/> -->
                    <!-- 分页器:测试分页器阶段，这里数据将来需要替换的: continues 连续页码 5个 -->
                    <Pagination
                            :pageNo="searchParams.pageNo"
                            :pageSize="searchParams.pageSize"
                            :total="total"
                            :continues="5"
                            @getPageNo="getPageNo"/>
                    <br>
                </div>
            </div>
        </div>
    </div>
</template>

<script>
    import SearchSelector from './SearchSelector/SearchSelector'
    import {mapGetters, mapState} from 'vuex'

    export default {
        name: 'Search',
        data() {
            return {
                searchParams: {
                    //产品相应的id
                    category1Id: "",
                    category2Id: "",
                    category3Id: "",
                    //产品的名字
                    categoryName: "",
                    //搜索的关键字
                    keyword: "",
                    //排序:初始状态应该是综合且降序
                    order: "1:desc",
                    //第几页
                    pageNo: 1,
                    //每一页展示条数
                    pageSize: 3,
                    //平台属性的操作
                    props: [],
                    //品牌
                    trademark: "",
                },
            };
        },
        //在挂载之前调用一次|可以在发请求之前将带有参数进行修改
        beforeMount() {
            //在发请求之前，把接口需要传递参数，进行整理（在给服务器发请求之前，把参数整理好，服务器就会返回查询的数据）
            Object.assign(this.searchParams, this.$route.query, this.$route.params);
        },
        components: {
            SearchSelector
        },
        // 组件挂载完毕只执行一次，仅仅只执行一次
        mounted() {
            this.getData()
        },
        computed: {
            // mapGetters 里面的写法：传递的是数组，因为 Getters 计算是没有划分模块的
            ...mapGetters(['goodsList']),
            isOne() {
                return this.searchParams.order.indexOf("1") !== -1;
            },
            isTwo() {
                return this.searchParams.order.indexOf("2") !== -1;
            },
            isAsc() {
                return this.searchParams.order.indexOf("asc") !== -1;
            },
            isDesc() {
                return this.searchParams.order.indexOf("desc") !== -1;
            },
            //获取search模块展示产品一共多少数据
            ...mapState({
                total: (state) => state.search.searchList.total,
            })
        },
        methods: {
            //自定义事件的回调函数---获取当前第几页
            getPageNo(pageNo) {
                //整理带给服务器参数
                this.searchParams.pageNo = pageNo;
                //再次发请求
                this.getData();
            },
            //排序的操作
            changeOrder(flag) { // flag 就是传进来的 1 或 2
                //flag:用户每一次点击li标签的时候，用于区分是综合（1）还是价格（2）
                //现获取order初始状态【咱们需要通过初始状态去判断接下来做什么】
                let originOrder = this.searchParams.order;
                let orginsFlag = originOrder.split(":")[0];
                let originSort = originOrder.split(":")[1];
                //新的排序方式
                let newOrder = "";
                //判断的是多次点击的是不是同一个按钮
                if (flag == orginsFlag) {
                    newOrder = `${orginsFlag}:${originSort == "desc" ? "asc" : "desc"}`;
                } else {
                    //点击不是同一个按钮
                    // 价格默认是降序，再点为升序，再点恢复默认的降序
                    newOrder = `${flag}:${"desc"}`;
                }
                //需要给order重新赋值
                this.searchParams.order = newOrder;
                //再次发请求
                this.getData();
            },
            //removeAttr删除售卖的属性
            removeAttr(index) {
                //再次整理参数：删除元素的索引值，删除 1 个元素
                this.searchParams.props.splice(index, 1);
                //再次发请求
                this.getData();
            },
            //收集平台属性地方回调函数（自定义事件）
            attrInfo(attr, attrValue) {
                //["属性ID:属性值:属性名"]
                console.log(attr, attrValue);
                //参数格式整理好
                let props = `${attr.attrId}:${attrValue}:${attr.attrName}`;
                //数组去重
                //if语句里面只有一行代码：可以省略大花括号
                // 判断 props 在 this.searchParams.props 这个数组里有没有，-1 为没有
                if (this.searchParams.props.indexOf(props) == -1) {
                    this.searchParams.props.push(props);
                    //再次发请求
                    this.getData();
                }
            },
            //删除品牌的信息
            removeTradeMark() {
                //将品牌信息置空
                this.searchParams.trademark = undefined;
                //再次发请求
                this.getData();
            },
            //自定义事件回调
            trademarkInfo(trademark) {
                //1:整理品牌字段的参数  "ID:品牌名称"
                this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`;
                //再次发请求获取search模块列表数据进行展示
                this.getData();
            },
            // 搜索数据
            getData() {
                this.$store.dispatch('getSearchList', this.searchParams);
            },
            //删除分类的名字
            removeCategoryName() {
                //把带给服务器的参数置空了，还需要向服务器发请求
                //带给服务器参数说明可有可无的：如果属性值为空的字符串还是会把相应的字段带给服务器
                //但是你把相应的字段变为undefined，当前这个字段不会带给服务器
                this.searchParams.categoryName = undefined;
                this.searchParams.category1Id = undefined;
                this.searchParams.category2Id = undefined;
                this.searchParams.category3Id = undefined;
                this.getData();
                //地址栏也需要需改：进行路由跳转(现在的路由跳转只是跳转到自己这里)
                //严谨：本意是删除query，如果路径当中出现params不应该删除，路由跳转的时候应该带着
                if (this.$route.params) {
                    this.$router.push({name: "search", params: this.$route.params});
                }
            },
            //删除关键字
            removeKeyword() {
                //给服务器带的参数searchParams的keyword置空
                this.searchParams.keyword = undefined;
                //再次发请求
                this.getData();
                //通知兄弟组件Header清除关键字
                this.$bus.$emit("clear");
                //进行路由的跳转
                if (this.$route.query) {
                    this.$router.push({name: "search", query: this.$route.query});
                }
            }
        },

        // 数据监听：监听组件实例身上的属性的属性值变化
        watch: {
            // 监听路由的信息是否发生变化，如果发生变化，再次发起请求
            $route(newValue, oldValue) {
                Object.assign(this.searchParams, this.$route.query, this.$route.params)
                // 再次发起请求
                this.getData()
                console.log(this.searchParams)
                this.searchParams.category1Id = '';
                this.searchParams.category2Id = '';
                this.searchParams.category3Id = '';
            }

        }
    }
</script>

<style lang="less" scoped>
    .main {
        margin: 10px 0;

        .py-container {
            width: 1200px;
            margin: 0 auto;

            .bread {
                margin-bottom: 5px;
                overflow: hidden;

                .sui-breadcrumb {
                    padding: 3px 15px;
                    margin: 0;
                    font-weight: 400;
                    border-radius: 3px;
                    float: left;

                    li {
                        display: inline-block;
                        line-height: 18px;

                        a {
                            color: #666;
                            text-decoration: none;

                            &:hover {
                                color: #4cb9fc;
                            }
                        }
                    }
                }

                .sui-tag {
                    margin-top: -5px;
                    list-style: none;
                    font-size: 0;
                    line-height: 0;
                    padding: 5px 0 0;
                    margin-bottom: 18px;
                    float: left;

                    .with-x {
                        font-size: 12px;
                        margin: 0 5px 5px 0;
                        display: inline-block;
                        overflow: hidden;
                        color: #000;
                        background: #f7f7f7;
                        padding: 0 7px;
                        height: 20px;
                        line-height: 20px;
                        border: 1px solid #dedede;
                        white-space: nowrap;
                        transition: color 400ms;
                        cursor: pointer;

                        i {
                            margin-left: 10px;
                            cursor: pointer;
                            font: 400 14px tahoma;
                            display: inline-block;
                            height: 100%;
                            vertical-align: middle;
                        }

                        &:hover {
                            color: #28a3ef;
                        }
                    }
                }
            }

            .details {
                margin-bottom: 5px;

                .sui-navbar {
                    overflow: visible;
                    margin-bottom: 0;

                    .filter {
                        min-height: 40px;
                        padding-right: 20px;
                        background: #fbfbfb;
                        border: 1px solid #e2e2e2;
                        padding-left: 0;
                        border-radius: 0;
                        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

                        .sui-nav {
                            position: relative;
                            left: 0;
                            display: block;
                            float: left;
                            margin: 0 10px 0 0;

                            li {
                                float: left;
                                line-height: 18px;

                                a {
                                    display: block;
                                    cursor: pointer;
                                    padding: 11px 15px;
                                    color: #777;
                                    text-decoration: none;
                                }

                                &.active {
                                    a {
                                        background: #e1251b;
                                        color: #fff;
                                    }
                                }
                            }
                        }
                    }
                }

                .goods-list {
                    margin: 20px 0;

                    ul {
                        display: flex;
                        flex-wrap: wrap;

                        li {
                            height: 100%;
                            width: 20%;
                            margin-top: 10px;
                            line-height: 28px;

                            .list-wrap {
                                .p-img {
                                    padding-left: 15px;
                                    width: 215px;
                                    height: 255px;

                                    a {
                                        color: #666;

                                        img {
                                            max-width: 100%;
                                            height: auto;
                                            vertical-align: middle;
                                        }
                                    }
                                }

                                .price {
                                    padding-left: 15px;
                                    font-size: 18px;
                                    color: #c81623;

                                    strong {
                                        font-weight: 700;

                                        i {
                                            margin-left: -5px;
                                        }
                                    }
                                }

                                .attr {
                                    padding-left: 15px;
                                    width: 85%;
                                    overflow: hidden;
                                    margin-bottom: 8px;
                                    min-height: 38px;
                                    cursor: pointer;
                                    line-height: 1.8;
                                    display: -webkit-box;
                                    -webkit-box-orient: vertical;
                                    -webkit-line-clamp: 2;

                                    a {
                                        color: #333;
                                        text-decoration: none;
                                    }
                                }

                                .commit {
                                    padding-left: 15px;
                                    height: 22px;
                                    font-size: 13px;
                                    color: #a7a7a7;

                                    span {
                                        font-weight: 700;
                                        color: #646fb0;
                                    }
                                }

                                .operate {
                                    padding: 12px 15px;

                                    .sui-btn {
                                        display: inline-block;
                                        padding: 2px 14px;
                                        box-sizing: border-box;
                                        margin-bottom: 0;
                                        font-size: 12px;
                                        line-height: 18px;
                                        text-align: center;
                                        vertical-align: middle;
                                        cursor: pointer;
                                        border-radius: 0;
                                        background-color: transparent;
                                        margin-right: 15px;
                                    }

                                    .btn-bordered {
                                        min-width: 85px;
                                        background-color: transparent;
                                        border: 1px solid #8c8c8c;
                                        color: #8c8c8c;

                                        &:hover {
                                            border: 1px solid #666;
                                            color: #fff !important;
                                            background-color: #666;
                                            text-decoration: none;
                                        }
                                    }

                                    .btn-danger {
                                        border: 1px solid #e1251b;
                                        color: #e1251b;

                                        &:hover {
                                            border: 1px solid #e1251b;
                                            background-color: #e1251b;
                                            color: white !important;
                                            text-decoration: none;
                                        }
                                    }
                                }
                            }
                        }
                    }
                }

                .page {
                    width: 733px;
                    height: 66px;
                    overflow: hidden;
                    float: right;

                    .sui-pagination {
                        margin: 18px 0;

                        ul {
                            margin-left: 0;
                            margin-bottom: 0;
                            vertical-align: middle;
                            width: 490px;
                            float: left;

                            li {
                                line-height: 18px;
                                display: inline-block;

                                a {
                                    position: relative;
                                    float: left;
                                    line-height: 18px;
                                    text-decoration: none;
                                    background-color: #fff;
                                    border: 1px solid #e0e9ee;
                                    margin-left: -1px;
                                    font-size: 14px;
                                    padding: 9px 18px;
                                    color: #333;
                                }

                                &.active {
                                    a {
                                        background-color: #fff;
                                        color: #e1251b;
                                        border-color: #fff;
                                        cursor: default;
                                    }
                                }

                                &.prev {
                                    a {
                                        background-color: #fafafa;
                                    }
                                }

                                &.disabled {
                                    a {
                                        color: #999;
                                        cursor: default;
                                    }
                                }

                                &.dotted {
                                    span {
                                        margin-left: -1px;
                                        position: relative;
                                        float: left;
                                        line-height: 18px;
                                        text-decoration: none;
                                        background-color: #fff;
                                        font-size: 14px;
                                        border: 0;
                                        padding: 9px 18px;
                                        color: #333;
                                    }
                                }

                                &.next {
                                    a {
                                        background-color: #fafafa;
                                    }
                                }
                            }
                        }

                        div {
                            color: #333;
                            font-size: 14px;
                            float: right;
                            width: 241px;
                        }
                    }
                }
            }
        }
    }
</style>
